Number | Date | Country | Kind |
---|---|---|---|
4-124302 | Apr 1992 | JPX |
Number | Date | Country |
---|---|---|
0535774 | Apr 1993 | EPX |
Entry |
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Sumitomo Chemical, Database WPIL Week 8335, Derwent Publications Ltd., AN83-750923 JP-A-58 125 758 Jul. 26, 1983. |
Toyo Ink Mfg. Co., Database WPIL Week 9232, Derwent Publications Ltd. AN 92-263109 JP-A-4 178 471 Jun. 25, 1992. |
Nippon Shokubai Kagaku, Database WPIL Week 8540, Derwent Publications Ltd. AN 85-247042 JP-A-60 163 836 Aug. 26, 1985. |